#include <bits/stdc++.h>

using namespace std;

ifstream in("royfloyd.in");
ofstream out("royfloyd.out");

const int DIM = 107;
const int INF = 1e9;

int v[DIM][DIM];

int main()
{
    int n;
    in >> n;

    for(int i = 1; i <= n; i++)
        for(int j = 1; j <= n; j++)
        {
            in >> v[i][j];
            if(i != j)
                if(v[i][j] == 0)
                    v[i][j] = INF;
        }

   for(int k = 1; k <= n; k++)
    for(int i = 1; i <= n; i++)
        for(int j = 1; j <= n; j++)
         v[i][j] = min(v[i][j],v[i][k] + v[k][j]);

    for(int i = 1; i <= n; i++)
        {for(int j = 1; j <= n; j++)
            if(v[i][j] == INF)
                out << 0 <<" ";
            else
                out <<v[i][j] <<" ";
         out <<'\n';
        }
    return 0;
}